From 61b1d9a4668286dcd43eb8771f4cdda4945d964e Mon Sep 17 00:00:00 2001
From: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date: Tue, 29 Nov 2011 13:55:51 -0200
Subject: [PATCH] another try to avoid warnings about unreachable 'return'
 after 'exit'

---
 loslib.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/loslib.c b/loslib.c
index bda2657d..c7ec4215 100644
--- a/loslib.c
+++ b/loslib.c
@@ -1,5 +1,5 @@
 /*
-** $Id: loslib.c,v 1.34 2011/03/03 16:34:46 roberto Exp roberto $
+** $Id: loslib.c,v 1.35 2011/06/20 16:50:59 roberto Exp roberto $
 ** Standard Operating System library
 ** See Copyright Notice in lua.h
 */
@@ -274,7 +274,8 @@ static int os_exit (lua_State *L) {
     status = luaL_optint(L, 1, EXIT_SUCCESS);
   if (lua_toboolean(L, 2))
     lua_close(L);
-  exit(status);
+  if (L) exit(status);  /* 'if' to avoid warnings for unreachable 'return' */
+  return 0;
 }